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[en] A fixed-bed apparatus with dynamic two-route proportional gas mixing system was designed to investigate the cryogenic adsorption behavior of nitrogen and methane on activated carbon for designing the helium purification system of high-temperature gas-cooled reactors (HTGR). With helium as carrier gas and at the impurity partial pressure of tens Pa, experiments were performed at near atmospheric pressure and by dynamic column breakthrough method at -196°C. The breakthrough curves and desorption curves were measured. By analyzing the breakthrough curve, both the equilibrium adsorption capacity and the kinetic adsorption capacity at breakthrough point were determined. Based on mass-transfer zone model, the experimental breakthrough curves were analyzed. (author)
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Tsinghua University, Institute of Nuclear and New Energy Technology (INET), Beijing (China); China Huaneng, Shandong Shidao Bay Nuclear Power, Co., Ltd., Beijing (China); Chinergy Co., Ltd., Beijing (China); vp; ISBN 978-7-89395-349-1; 
; 2014; 5 p; HTR2014: 7. International Topical Meeting on High Temperature Reactor Technology; Weihai (China); 27-31 Oct 2014; HTR2014--71141; GRANT 2010ZX06901-011; 20070410066; Country of input: International Atomic Energy Agency (IAEA); 3 refs., 3 figs., 1 tab.
; 2014; 5 p; HTR2014: 7. International Topical Meeting on High Temperature Reactor Technology; Weihai (China); 27-31 Oct 2014; HTR2014--71141; GRANT 2010ZX06901-011; 20070410066; Country of input: International Atomic Energy Agency (IAEA); 3 refs., 3 figs., 1 tab.